238640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 587760

約数和(自身を除く): 349120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 157, 190, 304, 314, 380, 628, 760, 785, 1256, 1520, 1570, 2512, 2983, 3140, 5966, 6280, 11932, 12560, 14915, 23864, 29830, 47728, 59660, 119320, 238640]

約数ペア:

[(1, 238640), (2, 119320), (4, 59660), (5, 47728), (8, 29830), (10, 23864), (16, 14915), (19, 12560), (20, 11932), (38, 6280), (40, 5966), (76, 3140), (80, 2983), (95, 2512), (152, 1570), (157, 1520), (190, 1256), (304, 785), (314, 760), (380, 628)]